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Create a safe work procedure for silica dust control

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Published by SALUS

Safe Work Procedure: Silica Dust Control

Document Number: [SWP-NUMBER] Revision Date: [DATE] Next Review Date: [NEXT REVIEW DATE] Department: [DEPARTMENT NAME]

1. Scope

This Safe Work Procedure (SWP) outlines the necessary steps and precautions to control silica dust exposure in construction, demolition, and other related activities. It applies to all workers, supervisors, and contractors who may be exposed to silica dust during their work. This procedure aims to minimize the risk of respiratory illnesses associated with silica dust inhalation by providing guidelines for hazard identification, risk assessment, and implementation of appropriate control measures.

This SWP is applicable in all work environments where silica-containing materials are disturbed, such as concrete cutting, grinding, drilling, crushing, and abrasive blasting. It includes both indoor and outdoor work settings.

This SWP should be used in conjunction with the Safety Data Sheet (SDS) for silica-containing materials and any other relevant safety procedures or guidelines.

2. Definitions

Silica Dust: Respirable crystalline silica (RCS) is very small particles of silica that can be inhaled deeply into the lungs. It is generated when cutting, grinding, drilling, or otherwise disturbing silica-containing materials such as concrete, brick, mortar, and stone.

Hazardous Substance: A substance that can cause harm to people's health or safety [1].

SDS (Safety Data Sheet): A document that provides information on the properties of hazardous chemicals and how they affect health and safety in the workplace [2].

PPE (Personal Protective Equipment): Equipment worn to minimize exposure to hazards that cause serious workplace injuries and illnesses [3].

3. Responsibilities

3.1 Supervisors

Ensure that all workers are adequately trained on the hazards of silica dust and the control measures outlined in this SWP.
Conduct regular inspections of the work area to identify potential sources of silica dust exposure.
Ensure that all workers have access to and properly use the required PPE.
Enforce the use of dust control measures, such as water suppression and ventilation.
Ensure compliance with all applicable regulations and standards related to silica dust control.

3.2 Workers

Participate in all required training programs related to silica dust control.
Follow the procedures outlined in this SWP and any other relevant safety guidelines.
Use all required PPE properly and maintain it in good condition.
Report any potential hazards or unsafe conditions to the supervisor immediately.
Cooperate with supervisors and health and safety representatives to implement and maintain effective dust control measures.

3.3 Health and Safety Representative

Assist in the development and implementation of this SWP.
Conduct regular workplace inspections to monitor compliance with this SWP.
Provide advice and support to supervisors and workers on silica dust control measures.
Investigate incidents and near-misses related to silica dust exposure and recommend corrective actions.

4. Potential Hazards and Risks

Hazard	Risk	Control Measures
Inhalation of silica dust	Silicosis, lung cancer, chronic obstructive pulmonary disease (COPD), kidney disease	Use wet methods to suppress dust, provide adequate ventilation, use respiratory protection (e.g., respirators) [4], implement dust collection systems.
Skin contact with silica dust	Skin irritation, dermatitis	Wear gloves and protective clothing, wash hands and face thoroughly after exposure [3].
Eye contact with silica dust	Eye irritation, corneal abrasion	Wear safety glasses or goggles [5], use eye wash stations for flushing.
Exposure to silica dust in enclosed spaces	Increased risk of respiratory illnesses due to higher concentrations of dust	Use local exhaust ventilation, ensure adequate general ventilation, limit the number of workers in the area [6].
Improper disposal of silica-containing waste	Environmental contamination, potential exposure to other workers	Use leakproof containers for waste disposal [7], follow local environmental regulations [8].

5. Personal Protective Equipment (PPE)

It is essential to use the appropriate PPE to minimize exposure to silica dust. Inspect all PPE before use to ensure it is in good condition and fits properly [3].

Respirator - Use an approved respirator (e.g., N95, P100) appropriate for the concentration of silica dust in the air. Ensure the respirator fits properly and is used according to the manufacturer's instructions [4].
Safety Glasses/Goggles - Wear safety glasses or goggles to protect eyes from dust and debris [5].
Gloves - Wear gloves to prevent skin contact with silica-containing materials [9].
Protective Clothing - Wear long-sleeved shirts and pants to minimize skin exposure. Change into clean clothes after work [3].
Hearing Protection - Use hearing protection (e.g., earplugs or earmuffs) if the work generates high noise levels [10].

Inspect PPE before each use for damage. Replace damaged or worn PPE immediately. Clean and store PPE properly after use.

6. Equipment and Tools

Use the appropriate equipment and tools for the task to minimize dust generation. Ensure all equipment is in good working order and properly maintained [10].

Wet Cutting/Grinding Tools - Use tools equipped with water suppression systems to reduce dust generation during cutting and grinding operations [4].
HEPA Vacuum - Use a vacuum cleaner equipped with a HEPA filter for cleaning up dust and debris [11].
Ventilation Systems - Use local exhaust ventilation systems to capture dust at the source [6].
Dust Collection Systems - Use dust collection systems attached to power tools to capture dust as it is generated [4].
Enclosures - Use enclosures or barriers to isolate work areas and contain dust [4].

Inspect equipment and tools before each use for damage or defects. Maintain equipment according to the manufacturer's instructions. Remove any defective equipment from service.

7. Pre-Job Requirements

7.1 Training and Competency

All workers must complete a silica awareness training program that covers the following topics:

Hazards of silica dust exposure
Health effects of silica dust inhalation
Proper use of PPE
Dust control measures
Safe work practices
Emergency procedures

7.2 Pre-Job Briefing

A pre-job briefing must be conducted before starting any work that may generate silica dust. The briefing should cover the following topics:

Scope of the work
Potential hazards
Control measures to be implemented
Required PPE
Emergency procedures
Roles and responsibilities of workers

7.3 Work Area Preparation

Identify all potential sources of silica dust exposure in the work area.
Implement dust control measures, such as water suppression and ventilation.
Isolate the work area to prevent dust from spreading to other areas.
Ensure that all necessary equipment and tools are available and in good working order.
Set up warning signs to alert others to the potential hazards of silica dust exposure.

8. Safe Work Procedure Steps

Step 1: Hazard Assessment and Control Planning

Before commencing any work, assess the potential for silica dust exposure. Identify tasks that may generate silica dust and evaluate the level of risk involved.

Review Safety Data Sheets (SDS) for all materials being used to identify silica content [2].
Evaluate the work area for potential dust sources and pathways.
Develop a written control plan that outlines specific measures to minimize dust exposure.

Safety considerations: Ensure all workers understand the hazard assessment and control plan before starting work.

Step 2: Dust Control Implementation

Implement the dust control measures outlined in the control plan. These measures may include:

Using wet methods to suppress dust at the source [4].
Providing local exhaust ventilation to capture dust [6].
Using enclosed systems or barriers to contain dust [4].

Safety considerations: Regularly monitor dust control measures to ensure they are effective. Adjust controls as needed to minimize dust exposure.

Step 3: Personal Protective Equipment (PPE) Usage

Ensure all workers wear the appropriate PPE, including respirators, safety glasses/goggles, gloves, and protective clothing [3].

Fit-test respirators to ensure a proper seal.
Inspect PPE before each use for damage or defects.
Train workers on the proper use, maintenance, and storage of PPE.

Safety considerations: Ensure workers understand the limitations of PPE and the importance of using it correctly.

Step 4: Work Practices

Follow safe work practices to minimize dust generation and exposure.

Avoid dry sweeping or using compressed air for cleaning [4].
Use HEPA vacuums to clean up dust and debris [11].
Position workers upwind of dust sources whenever possible.

Safety considerations: Regularly monitor work practices to ensure they are effective in minimizing dust exposure.

Step 5: Housekeeping

Maintain a clean and orderly work area to prevent the accumulation of dust.

Regularly clean up dust and debris using wet methods or HEPA vacuums [11].
Dispose of waste materials properly in sealed containers [7].
Avoid allowing dust to accumulate on surfaces.

Safety considerations: Ensure housekeeping practices do not create additional dust exposure hazards.

9. Precautions and Safety Measures

Substitution: Consider using non-silica-containing materials or less hazardous alternatives whenever possible [1].
Engineering Controls: Implement engineering controls such as local exhaust ventilation and wet methods to minimize dust exposure [6].
Administrative Controls: Develop and implement safe work procedures, provide training, and schedule work to minimize dust exposure [2].
Personal Protective Equipment (PPE): Ensure workers use appropriate PPE, including respirators, safety glasses, and gloves [3].
Hygiene Practices: Encourage workers to wash their hands and face thoroughly after exposure to silica dust and before eating, drinking, or smoking [3].

10. Emergency Procedures

10.1 General Emergency Response

In the event of an emergency, follow these general procedures:

Stop work immediately and assess the situation.
Evacuate the area if necessary.
Provide first aid to any injured workers.
Report the incident to the supervisor and health and safety representative.

10.2 Specific Emergency Scenarios

Eye Exposure: Flush the affected eye with clean water for at least 15 minutes. Seek medical attention if irritation persists [5].
Skin Exposure: Wash the affected area with soap and water. Seek medical attention if irritation develops [3].
Respiratory Distress: Move the affected worker to fresh air. Provide oxygen if necessary. Seek medical attention immediately [12].

10.3 Emergency Contact Information

Emergency Services: 911
[COMPANY MEDICAL CONTACT]: [PHONE NUMBER]
[HEALTH AND SAFETY REPRESENTATIVE]: [PHONE NUMBER]
[SUPERVISOR]: [PHONE NUMBER]

11. Incident Reporting and Investigation

All incidents, near-misses, and hazards related to silica dust exposure must be reported to the supervisor immediately. An investigation will be conducted to determine the root cause of the incident and to implement corrective actions to prevent recurrence.

12. References and Related Documents

Canada Occupational Health and Safety Regulations (SOR/86-304) [1], [10], [13], [14], [15]
WHMIS Safety Data Sheet (Canadian Centre for Occupational Health & Safety) [2], [16]
[Relevant Provincial Regulations for British Columbia]

Approved by: [NAME AND POSITION] Date: [APPROVAL DATE]

Safety powered by SALUS

16 source record(s)

Sources used for this answer

[1] CAT 336 GC Excavator Operation and Maintenance Manual

Page 29

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- · Avoid brushing, grinding, or cutting materials suspected of containing hexavalent chromium. - · Obey environmental regulations for the disposal of all materials that may contain or have come into contact with hexavalent chromium. - · Stay away from areas that might have hexavalent chromium particles in the air. ## Dispose of Waste Properly  Improperly disposing of waste can threaten the environment. Potentially harmful fluids should be disposed of according to local regulations. Always use leakproof containers when you drain fluids. Do not pour waste onto the ground, down a drain, or into any source of water. i01359664 ## Crushing Prevention and Cutting Prevention SMCS Code: 7000 Support the equipment properly before you perform any work or maintenance beneath that equipment. Do not depend on the hydraulic cylinders to hold up the equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks. Do not work beneath the cab of the machine unless the cab is properly supported. Unless you are instructed otherwise, never attempt adjustments while the machine is moving or while the engine is running. Never jump across the starter solenoid terminals in order to start the engine. Unexpected machine movement could result. Whenever there are equipment control linkages the clearance in the linkage area will change with the movement of the equipment or the machine. Stay clear of areas that may have a sudden change in clearance with machine movement or equipment movement. Stay clear of all rotating and moving parts. If it is necessary to remove guards in order to perform maintenance, always install the guards after the maintenance is performed. Keep objects away from moving fan blades. The fan blade will throw objects or cut objects. Do not use a kinked wire cable or a frayed wire cable. Wear gloves when you handle wire cable. When you strike a retainer pin with force, the retainer pin can fly out. The loose retainer pin can …

[2] Canada Occupational Health and Safety Regulations (SOR/86-304)

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## Identification 10.27 Every container of a hazardous substance, other than a hazardous product, that is stored, handled, used or disposed of in the work place shall be labelled in a manner that discloses clearly - (a) the generic name of the substance; and - (b) the hazard information in respect of the substance. SOR/88-68, s. 12; SOR/96-294, s. 2; SOR/2002-208, s. 43(F); SOR/2016-141, s. 20. 10.28 If a safety data sheet in respect of a hazardous substance, other than a hazardous product, that is stored, handled or used in the work place may be obtained from the supplier of the hazardous substance, the employer shall - (a) obtain a copy of the safety data sheet; and - (b) keep the copy of the safety data sheet readily available for examination by employees in any form, as determined in consultation with the policy committee or, if there is no policy committee, the work place committee or the health and safety representative. SOR/88-68, s. 12; SOR/96-294, s. 2; SOR/2002-208, s. 43(F); SOR/2016-141, s. 9; SOR/ 2019-246, s. 69(F). ## DIVISION III ## Hazardous Products [SOR/2016-141, s. 20] ## Interpretation 10.29 In this Division, bulk shipment has the same meaning as in subsection 5.5 1 ( ) of the Hazardous Products Regulations ; ( expédition en vrac ) container means any package or receptacle, including a bag, barrel, bottle, box, can, cylinder, drum and storage tank; ( contenant ) fugitive emission means a hazardous product in gas, liquid, solid, vapour, fume, mist, fog or dust form that escapes from processing equipment, from control emission equipment or from a product into the work place; ( émission fugitive ) hazardous waste means a hazardous product that is acquired or generated for recycling or recovery or is intended for disposal; ( résidu dangereux ) ## Identification 10.27 Le contenant d'une substance dangereuse, autre qu'un produit dangereux, qui est entreposée, manipulée, utili…

[3] CAT 336 GC Excavator Operation and Maintenance Manual

Page 28

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Obey all local regulations for the disposal of liquids. ## Inhalation Illustration 51  ## Exhaust Use caution. Exhaust fumes can be hazardous to your health. If you operate the machine in an enclosed area, adequate ventilation is necessary. ## Asbestos Information Cat equipment and replacement parts that are shipped from Caterpillar are asbestos free. Caterpillar recommends the use of only genuine Cat replacement parts. Use the following guidelines when you handle any replacement parts that contain asbestos or when you handle asbestos debris. Use caution. Avoid inhaling dust that might be generated when you handle components that contain asbestos fibers. Inhaling this dust can be hazardous to your health. The components that may contain asbestos fibers are brake pads, brake bands, lining material, clutch plates, and some gaskets. The asbestos that is used in these components is bound in a resin or sealed in some way. Normal handling is not hazardous unless airborne dust that contains asbestos is generated. If dust that may contain asbestos is present, there are several guidelines that should be followed: - · Never use compressed air for cleaning. - · Avoid brushing materials that contain asbestos. - · Avoid grinding materials that contain asbestos. - · Use a wet method in order to clean up asbestos materials. - · A vacuum cleaner that is equipped with a high efficiency particulate air filter (HEPA) can also be used. - · Use exhaust ventilation on permanent machining jobs. - · Wear an approved respirator if there is no other way to control the dust. - · Comply with applicable rules and regulations for the work place. In the United States, use Occupational Safety and Health Administration (OSHA) requirements. These OSHA requirements can be found in '29 CFR 1910.1001'. In Japan, use the requirements found in the 'Ordinance on Prevention of Health Impairment due to Asbestos' in addition to the requirements of the Industrial Safety and Health Act.…

[4] WHMIS Safety Data Sheet (Canadian Centre for Occupational Health & Safety)

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- The SDS must be updated within 90 days when significant new information becomes available in Alberta, Manitoba, New Brunswick, Ontario, Prince Edward Island, and Quebec - The employer must actively seek an updated SDS every three years in Federal workplace WHMIS legislation (e.g., Canadian Occupational Health and Safety Regulations), British Columbia, Saskatchewan, Newfoundland and Labrador, Northwest Territories, Nunavut, and Yukon. The employer should ask the supplier for written confirmation if the SDS content has not changed or if an updated SDS is not available. If the employer is aware of significant new information data, the employer must add this data to the existing SDS. NOTE: In Nova Scotia, WHMIS 1988 requirements apply. Check with your jurisdiction for more information. ## How will I know if an SDS has been updated? Every SDS must provide a date of last revision in Section 16 - Other Information. You will know if an SDS has been updated by checking this date, and comparing it to the one on any previous SDS you have. Note that there is no requirement for the supplier to provide an updated SDS to past purchasers of a hazardous product. However, it continues to be good practice to provide this information to purchasers who may still be using the product. ## As an employer, do I have responsibilities for SDSs? Yes. Employers will be required to make sure that all hazardous products (as defined by the Hazardous Products Regulations have an up-to-date SDS when it enters the workplace. The SDSs must be readily available to the workers who are exposed to the hazardous product, and to the health and safety committee or representative. Employers may computerize the SDS information as long as: - all employees have access to and are trained on how to use the computer or device, - the computers/devices are kept in working order, and - the employer makes a hard copy of the SDS available to the employee or health and safety committee/representative upon requ…

[5] CAT 330 Excavator Operation and Maintenance Manual

Page 29

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- · Use exhaust ventilation on permanent machining jobs. - · Wear an approved respirator if there is no other way to control the dust. - · Comply with applicable rules and regulations for the work place. In the United States, use Occupational Safety and Health Administration (OSHA) requirements. These OSHA requirements can be found in '29 CFR 1910.1001'. In Japan, use the requirements found in the 'Ordinance on Prevention of Health Impairment due to Asbestos' in addition to the requirements of the Industrial Safety and Health Act. - · Obey environmental regulations for the disposal of asbestos. - · Stay away from areas that might have asbestos particles in the air. ## Dispose of Waste Properly  Illustration 52 g00706404 Improperly disposing of waste can threaten the environment. Potentially harmful fluids should be disposed of according to local regulations. Always use leakproof containers when you drain fluids. Do not pour waste onto the ground, down a drain, or into any source of water. i01359664 ## Crushing Prevention and Cutting Prevention SMCS Code: 7000 Support the equipment properly before you perform any work or maintenance beneath that equipment. Do not depend on the hydraulic cylinders to hold up the equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks. Do not work beneath the cab of the machine unless the cab is properly supported. Unless you are instructed otherwise, never attempt adjustments while the machine is moving or while the engine is running. Never jump across the starter solenoid terminals in order to start the engine. Unexpected machine movement could result. Whenever there are equipment control linkages the clearance in the linkage area will change with the movement of the equipment or the machine. Stay clear of areas that may have a sudden change in clearance with machine movement or equipment movement. Stay clear of all rotating and moving parts. If it is necessary to remove guards…

[6] CAT 325 Excavator Operation and Maintenance Manual

Page 29

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[7] CAT 345 GC Excavator Operation and Maintenance Manual

Page 28

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[8] CAT 335F Excavator Operation and Maintenance Manual

Page 27

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[9] CAT 345D, 349D, and 349D2 Excavators Operation and Maintenance Manual

Page 25

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- · Use exhaust ventilation on permanent machining jobs. - · Wear an approved respirator if there is no other way to control the dust. - · Comply with applicable rules and regulations for the work place. In the United States, use Occupational Safety and Health Administration (OSHA) requirements. These OSHA requirements can be found in '29 CFR 1910.1001'. In Japan, use the requirements found in the 'Ordinance on Prevention of Health Impairment due to Asbestos' in addition to the requirements of the Industrial Safety and Health Act. - · Obey environmental regulations for the disposal of asbestos. - · Stay away from areas that might have asbestos particles in the air. ## Dispose of Waste Properly  Illustration 44 g00706404 Improperly disposing of waste can threaten the environment. Potentially harmful fluids should be disposed of according to local regulations. Always use leakproof containers when you drain fluids. Do not pour waste onto the ground, down a drain, or into any source of water. i01359664 ## Crushing Prevention and Cutting Prevention SMCS Code: 7000 Support the equipment properly before you perform any work or maintenance beneath that equipment. Do not depend on the hydraulic cylinders to hold up the equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks. Do not work beneath the cab of the machine unless the cab is properly supported. Unless you are instructed otherwise, never attempt adjustments while the machine is moving or while the engine is running. Never jump across the starter solenoid terminals in order to start the engine. Unexpected machine movement could result. Whenever there are equipment control linkages the clearance in the linkage area will change with the movement of the equipment or the machine. Stay clear of areas that may have a sudden change in clearance with machine movement or equipment movement. Stay clear of all rotating and moving parts. If it is necessary to remove guards…

[10] Kobelco SK235SR-2, SK235SRLC-2 Operation Manual

Page 20

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## ［ 1. SAFETY PRECAUTIONS ］ If dust which may contain asbestos is present, there are several common sense guidelines that should be followed. - a. Never use compressed air for cleaning. - b. Avoid brushing or grinding of asbestos containing materials. - c. For clean up, use wet methods or a vacuum equipped with a high efficiency particulate air (HEPA) filter. - d. Use exhaust ventilation on permanent machining jobs - e. Wear an approved respirator if there is no other way to control the dust. - f. Comply with applicable rules and regulations for the work place. - g. Follow environmental rules and regulations for disposal of asbestos. - h. Avoid areas where asbestos particles may be in the air.

[11] Canada Occupational Health and Safety Regulations (SOR/86-304)

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length, that has a white diagonal stripe extending from the tip of the hoist to the bottom of the flag. ( pavillon du plongeur ) diver's tender means a qualified person who attends to a diver for the duration of a dive. ( assistant du plongeur ) hyperbaric chamber means a pressure vessel and associated equipment designed to subject humans to greaterthan-atmospheric pressures. ( caisson hyperbare ) International Code Flag A means the white and dark blue flag set out in Schedule II, which is not less than 1 m in height. ( pavillon A du code international ) liveboating means the support of a diving operation from a vessel that is not at anchor, made fast to the shore or a fixed structure, or aground. ( plongée avec bateausoutien ) no-decompression limit means the maximum time that can be spent at a depth without requiring a decompression stop. ( limite de remontée sans palier ) surface supply dive means a diving operation where a diver is supplied with breathing mixtures by a life support umbilical from the surface. ( plongée non autonome ) therapeutic recompression means the treatment of a diver in a hyperbaric chamber in accordance with generally accepted tables and practices. ( recompression thérapeutique ) type 1 dives means diving operations - (a) the primary purpose of which is - (i) to conduct scientific, archaeological or other research operations, or - (ii) to gather evidence or information relating to a crime; - (b) that - (i) do not require decompression, - (ii) do not involve diving in the vicinity of underwater pressure differentials, (iii) are not related to the search, construction, repair or inspection of ships, bridge piers, wharves, dry docks, underwater tunnels, or water control and water intake facilities, and limite de remontée sans palier Durée maximale d'un séjour à une profondeur donnée qui n'exige aucun palier de décompression.…

[12] Canada Occupational Health and Safety Regulations (SOR/86-304)

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- (a) make it readily available for examination by the employee in any form, as determined in consultation with the policy committee or, if there is no policy committee, the work place committee or the health and safety representative; and - (b) keep it for a period of two years after the employee ceases - (i) to handle or be exposed to the hazardous substance, or is no longer likely to handle or be exposed to the hazardous substance, or (ii) to install, operate, maintain or repair the assembly of pipes. SOR/96-294, s. 2; SOR/2002-208, s. 43(F); SOR/2016-141, s. 5; SOR/2019-246, s. 60. ## Substitution of Substances - 10.16 No person shall use a hazardous substance in a work place if a non-hazardous substance or one that is less hazardous can be used instead. SOR/88-68, ss. 8, 14; SOR/88-632, s. 44(F); SOR/96-294, s. 2; SOR/2002-208, s. 43(F); SOR/2019-246, s. 61. ## Ventilation - 10.17 (1) Every ventilation system installed on or after January 1, 1997 to control the concentration of an airborne hazardous substance shall be so designed, constructed, installed, operated and maintained that - (a) the concentration of the airborne hazardous substance does not exceed the values and levels prescribed in subsections 10.19 1 ( ) and 10.20 1 ( ) and ( 2 ); and - (b) it meets the standards set out in - (i) Part 6 of the National Building Code, - (ii) the publication of the American Conference of Governmental Industrial Hygienists entitled Industrial Ventilation , 20 th edition, dated 1988, as amended from time to time, or - (iii) ANSI Standard ANSI Z 9.2 1979 -entitled Fundamentals Governing the Design and Operation of Local Exhaust Systems , dated 1979, as amended from time to time. - a) rendre ce registre facilement accessible pour consultation par l'employé, en la forme déterminée en consultation avec le comité d'orientation ou, à défaut, le comité local …

[13] Canada Occupational Health and Safety Regulations (SOR/86-304)

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- (d) where no specific standards for the chemical agent are set out in the publications referred to in paragraphs (a) and (b) and no method is available under paragraph (c), in accordance with a scientifically proven method used to collect and analyse a representative sample of the chemical agent. - (4) A paper or electronic record of each test made under subsection ( 3 ) shall be kept by the employer at the employer's place of business that is nearest to the work place where the air sample was taken, for a period of three years after the date of the test. - (5) A record referred to in subsection ( 4 ) shall include - (a) the date, time and location of the test; - (b) the hazardous substance in respect of which the test was made; - (c) the sampling and testing method used; - (d) the result obtained; and - (e) the name and occupation of the person who made the test. SOR/88-68, ss. 10, 14; SOR/94-263, s. 37(F); SOR/96-294, s. 2; SOR/98-427, s. 5; SOR/ 2002-208, s. 43(F); SOR/2016-141, s. 7; SOR/2017-132, s. 2; SOR/2018-137, s. 1; SOR/ 2019-246, s. 64. - 10.20 (1) Subject to subsection ( 2 ), the concentration of an airborne chemical agent or combination of airborne chemical agents in the work place shall be less than 50 per cent of the lower explosive limit of the chemical agent or combination of chemical agents. - (2) Where a source of ignition may ignite an airborne chemical agent or combination of airborne chemical agents in the work place, the maximum concentration of the chemical agent or of the combination of chemical agents shall be 10 per cent of the lower explosive limit of the chemical agent or combination of chemical agents. - (3) Subsection ( 2 ) does not apply in respect of concentrations of methane gas in the underground portion of a coal mine. SOR/88-68, ss. 11(E), 14(F); SOR/96-294, s. 2. - 10.21 Compressed air, gas or steam shall not be used for…

[14] WHMIS Safety Data Sheet (Canadian Centre for Occupational Health & Safety)

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Always be familiar with the hazards of a product before you start using it. You should look at an SDS, match the name of the product on the container to the one on the SDS, know the hazards, understand safe handling and storage instructions, as well as understand what to do in an emergency. You can think of the SDS as having four main purposes. It provides information on: - a. Identification : for the product and supplier. - b. Hazards: physical (fire and reactivity) and health. - c. Prevention: steps you can take to work safely, reduce or prevent exposure, or in an emergency. - d. Response : appropriate responses in various situations (e.g., first-aid, fire, accidental release). For most people who work with hazardous products, you should always: - read the name of the chemical (Section 1), - know the hazards (Section 2), - understand safe handling and storage instructions (Section 7), and - understand what to do in an emergency (Sections 4, 5 and 6). ## A few things to know: - Make sure that the product is being used in the way the manufacturer intended; otherwise the advice provided on the SDS and label may not apply, or the protective measures listed may not be adequate. Section 1 of the SDS should describe the typical use of the product and may indicate restrictions. Ask your supervisor or a health and safety professional for advice if the way you use the product does not match the SDS. - Section 2 will summarize the hazards related to the product, precautions to take, and what to do in an emergency. Understand that the SDS covers information about the potential hazards, but may not be specific about the required safe work procedures needed for your workplace (e.g., the SDS may not specify what type of respirator must be used, just that a respirator is needed). More information can be found by asking your supervisor. These decisions may require the help of a safety professional or someone with chemical safety knowledge. Fact sheet last revised: 2023-03-3…

[15] CAT CS10 GC, CS11 GC, CS12 GC Vibratory Soil Compactor Operation and Maintenance Manual

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Obey all local regulations for the disposal of liquids. ## Inhalation Illustration 18  ## Exhaust Use caution. Exhaust fumes can be hazardous to your health. If you operate the machine in an enclosed area, adequate ventilation is necessary. ## Asbestos Information Cat equipment and replacement parts that are shipped from Caterpillar are asbestos free. Caterpillar recommends the use of only genuine Cat replacement parts. Use the following guidelines when you handle any replacement parts that contain asbestos or when you handle asbestos debris. Use caution. Avoid inhaling dust that might be generated when you handle components that contain asbestos fibers. Inhaling this dust can be hazardous to your health. The components that may contain asbestos fibers are brake pads, brake bands, lining material, clutch plates, and some gaskets. The asbestos that is used in these components is bound in a resin or sealed in some way. Normal handling is not hazardous unless airborne dust that contains asbestos is generated. If dust that may contain asbestos is present, there are several guidelines that should be followed: - · Never use compressed air for cleaning. - · Avoid brushing materials that contain asbestos. - · Avoid grinding materials that contain asbestos. - · Use a wet method in order to clean up asbestos materials. - · A vacuum cleaner that is equipped with a high efficiency particulate air filter (HEPA) can also be used. - · Use exhaust ventilation on permanent machining jobs. - · Wear an approved respirator if there is no other way to control the dust. - · Comply with applicable rules and regulations for the work place. In the United States, use Occupational Safety and Health Administration (OSHA) requirements. These OSHA requirements can be found in '29 CFR 1910.1001'. In Japan, use the requirements found in the 'Ordinance on Prevention of Health Impairment due to Asbestos' in addition to the requirements of the Industrial Safety and Health Act.…

[16] Canada Occupational Health and Safety Regulations (SOR/86-304)

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Source excerpt

- (b) fitted with valves and other control and safety devices to ensure its safe operation, maintenance and repair. SOR/96-294, s. 2; SOR/2002-208, s. 43(F); SOR/2016-141, s. 8. ## Explosives 10.25 All blasting using dynamite or other explosives shall be done by a qualified person who, where required under the laws of the province in which the blasting is carried out, holds a blasting certificate or such other authorization as may be required under those laws. SOR/96-294, s. 2. ## Ionizing and Non-ionizing Radiation 10.26 (1) Where a device that is capable of producing and emitting energy in the form of ionizing or non-ionizing radiation is used in the work place, the employer shall, if the device is referred to in subsection ( 2 ), implement the applicable document, as amended from time to time, published by the Department of National Health and Welfare, as specified in one of paragraphs ( 2 )(a) to (k) or published by ANSI, as specified in paragraph ( 2 )(l). - (2) For the purposes of subsection ( 1 ), the applicable document is - (a) in respect of radio frequency and microwave devices in the frequency range from 10 kHz to 300 GHz, Safety Code 6 , dated 1990 ; - (b) in respect of X-ray equipment in medical diagnosis, Safety Code 20 A , dated 1980 ; - (c) in respect of baggage inspection X-ray equipment, Safety Code 21 , dated 1978 ; - (d) in respect of dental X-ray equipment, Safety Code -22 , dated 1980 ; - (e) in respect of ultrasound equipment, Safety Code 23 , dated 1989, and Safety Code 24 , dated 1990 ; - (f) in respect of short-wave diathermy equipment, Safety Code 25 , dated 1983 ; - (g) in respect of magnetic resonance imaging and magnetic resonance spectroscopy equipment, Safety Code 26 , dated 1987 ; - (h) in respect of industrial X-ray equipment, Safety Code 27 , dated 1987 ; - b) muni de soupapes et d'autres dispositifs de sécurité et de réglage qui en assurent l'utili…

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Publisher: SALUS
Final reviewer: Francis Langlois
Original answer: Jun 3, 2025

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Rosie, the contractors' AI Admin & Risk Assistant, works across the operational workflows to take care of the busy work, make capture in the field effortless, surface risk, and create business-ready outputs—without removing human judgment.

Rosie was grounded in a curated, human-created, SALUS-verified source library and retrieved relevant material for each question. SALUS published the English answer exactly as generated after duplicate screening. Francis Langlois reviewed the English content.

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Topics

Chemical safety Safety compliance Emergency response Equipment safety Hazard assessment Incident management Personal protective equipment Safety training

This information supports professional judgment; it does not replace applicable requirements, site-specific procedures, or advice from a qualified person.

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Rosie's answer

Safe Work Procedure: Silica Dust Control

1. Scope

2. Definitions

3. Responsibilities

3.1 Supervisors

3.2 Workers

3.3 Health and Safety Representative

4. Potential Hazards and Risks

5. Personal Protective Equipment (PPE)

6. Equipment and Tools

7. Pre-Job Requirements

7.1 Training and Competency

7.2 Pre-Job Briefing

7.3 Work Area Preparation

8. Safe Work Procedure Steps

Step 1: Hazard Assessment and Control Planning

Step 2: Dust Control Implementation

Step 3: Personal Protective Equipment (PPE) Usage

Step 4: Work Practices

Step 5: Housekeeping

9. Precautions and Safety Measures

10. Emergency Procedures

10.1 General Emergency Response

10.2 Specific Emergency Scenarios

10.3 Emergency Contact Information

11. Incident Reporting and Investigation

12. References and Related Documents

Sources used for this answer

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